llvm/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll
Jakob Stoklund Olesen ea60d3d9f2 Add XFAIL test case for a scavenger assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15 12:09:56 +00:00

21 lines
552 B
LLVM

; RUN: llvm-as < %s | llc -march=bfin -verify-machineinstrs
; XFAIL: *
; When joining live intervals of sub-registers, an MBB live-in list is not
; updated properly. The register scavenger asserts on an undefined register.
define i32 @foo(i8 %bar) {
entry:
switch i8 %bar, label %bb1203 [
i8 117, label %bb1204
i8 85, label %bb1204
i8 106, label %bb1204
]
bb1203: ; preds = %entry
ret i32 1
bb1204: ; preds = %entry, %entry, %entry
ret i32 2
}